1401333132 has 48 divisors (see below), whose sum is σ = 3296153952. Its totient is φ = 463357440.

The previous prime is 1401333127. The next prime is 1401333139. The reversal of 1401333132 is 2313331041.

It is a junction number, because it is equal to n+sod(n) for n = 1401333099 and 1401333108.

It is not an unprimeable number, because it can be changed into a prime (1401333139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469968 + ... + 1470920.

It is an arithmetic number, because the mean of its divisors is an integer number (68669874).

Almost surely, 2^1401333132 is an apocalyptic number.

1401333132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401333132 is an abundant number, since it is smaller than the sum of its proper divisors (1894820820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401333132 is a wasteful number, since it uses less digits than its factorization.

1401333132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1401333132 is about 37434.3843544942. The cubic root of 1401333132 is about 1119.0439151530.

Adding to 1401333132 its reverse (2313331041), we get a palindrome (3714664173).

The spelling of 1401333132 in words is "one billion, four hundred one million, three hundred thirty-three thousand, one hundred thirty-two".